ответ:вот
Объяснение:
9/2 × 2/3x -9/2 ×1/4 = 15
9/3x - 9/8 = 15
9/3x = 15 + 9/8
9/3x = 120/8 + 9/8
9/3x = 129/8
x = 129/8 ×3/9
x = 387/72
x = 5 27/72
x= 5 3/8
ответ:вот
Объяснение:
9/2 × 2/3x -9/2 ×1/4 = 15
9/3x - 9/8 = 15
9/3x = 15 + 9/8
9/3x = 120/8 + 9/8
9/3x = 129/8
x = 129/8 ×3/9
x = 387/72
x = 5 27/72
x= 5 3/8